CN111228835A - Energy-saving evaporator and using method thereof - Google Patents
Energy-saving evaporator and using method thereof Download PDFInfo
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- CN111228835A CN111228835A CN202010162674.7A CN202010162674A CN111228835A CN 111228835 A CN111228835 A CN 111228835A CN 202010162674 A CN202010162674 A CN 202010162674A CN 111228835 A CN111228835 A CN 111228835A
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- evaporation chamber
- liquid
- condenser
- heater
- gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
- B01D1/0041—Use of fluids
- B01D1/0047—Use of fluids in a closed circuit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0082—Regulation; Control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/28—Evaporating with vapour compression
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
- B01D1/305—Demister (vapour-liquid separation)
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to an energy-saving evaporator and a using method thereof, comprising the following steps: the heater is provided with a feed inlet for liquid material to flow into; the evaporation chamber is connected with the heater and used for carrying out gas-liquid separation on liquid materials, and a discharge hole is formed in the bottom of the evaporation chamber; the condenser is connected with the evaporation chamber and is used for condensing steam formed by gas-liquid separation in the evaporation chamber, and the condenser is provided with a discharge port; and a compressor connected to the condenser and the heater to absorb heat in the condenser and deliver the heat to the heater. The invention effectively solves the problem of large energy consumption of the traditional evaporator, reduces the loss of heat energy, improves the evaporation efficiency of liquid materials, reduces the cost, and has simple structure and easy realization.
Description
Technical Field
The invention relates to the field of chemical engineering, in particular to an energy-saving evaporator and a using method thereof.
Background
The evaporator heats the solution containing the solute with low volatility to boiling state by means of heat exchange, so that part of the solvent is gasified and removed, thereby achieving the purpose of improving the concentration of the solute in the solvent.
At present, a bent pipeline is generally arranged in an evaporation chamber, high-temperature gas is introduced into the pipeline from the outside, a solvent in a liquid material is evaporated by using the high-temperature gas, namely, the liquid material is evaporated by using steam heat energy, the heat energy loss of steam in the process of introducing the steam from the outside is large, the energy consumption is large, the cost is high, and the evaporation effect of the liquid material is not good due to the large heat energy loss, so that the ideal concentration is difficult to achieve.
In addition, at present, a traditional mechanical compression evaporator is also adopted, a medium compressed by a compressor in the evaporator is solvent vapor evaporated from an original liquid material, the solvent vapor may contain other evaporated and volatilized gases in the original liquid material, and the other gases may contain flammable and explosive components, so that a greater potential safety hazard is caused in the process of compressing the gas medium by the compressor.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides an energy-saving evaporator and a using method thereof, solves the problem of large energy consumption of the traditional evaporator, reduces the loss of heat energy, improves the evaporation efficiency of liquid materials, reduces the cost, and has simple structure and easy realization.
The technical scheme for realizing the purpose is as follows:
the invention provides an energy-saving evaporator, comprising:
the heater is provided with a feed inlet for liquid material to flow into;
the evaporation chamber is connected with the heater and used for carrying out gas-liquid separation on liquid materials, and a discharge hole is formed in the bottom of the evaporation chamber;
the condenser is connected with the evaporation chamber and is used for condensing steam formed by gas-liquid separation in the evaporation chamber, and the condenser is provided with a discharge port; and
and the compressor is connected with the condenser and the heater to absorb the heat in the condenser and convey the heat to the heater.
The invention adopts the energy-saving evaporator, obtains the heat of the separated secondary steam by using the compressor, heats and pressurizes the heat, and then conveys the heat to the heater to heat the liquid material in the heater, thereby greatly reducing the energy consumption of the evaporator, avoiding introducing high-temperature steam from the outside, reducing the loss of heat energy, ensuring the evaporation effect of the liquid material, avoiding the components in the original liquid material from entering the compressor, eliminating the potential safety hazard, solving the problem of large energy consumption of the traditional evaporator, reducing the loss of heat energy, improving the evaporation efficiency of the liquid material, reducing the cost, having simple structure and easy realization.
The energy-saving evaporator is further improved in that the energy-saving evaporator also comprises a separator arranged between the evaporation chamber and the condenser, so that the vapor formed by gas-liquid separation in the evaporation chamber is subjected to gas-liquid separation again, the separated vapor flows into the condenser, and the separated liquid flows back to the evaporation chamber and flows out from the discharge hole.
The energy-saving evaporator is further improved in that the separator is arranged at the top of the evaporation chamber and communicated with the evaporation chamber, so that steam in the evaporation chamber can be introduced.
The energy-saving evaporator is further improved in that the evaporator also comprises a control system for controlling the feeding amount of the heater, the liquid level of the evaporation chamber is monitored to be changed through the control system, and then the control system correspondingly increases or decreases the feeding amount of the liquid material, so that the liquid level in the evaporation chamber is kept stable.
The energy-saving evaporator is further improved in that the control system comprises a liquid level sensor arranged in the evaporation chamber, and the liquid level sensor senses that the liquid in the evaporation chamber exceeds a set height, so that the control system is triggered to control the feeding amount of the liquid material.
The energy-saving evaporator is further improved in that a valve is arranged at the feeding port and electrically connected with a control system, and the valve is controlled by the control system to adjust the feeding amount of liquid materials.
The energy-saving evaporator is further improved in that a feeding pump is arranged at the feeding port, the feeding pump is electrically connected with a control system, and the control system controls the feeding pump to adjust the feeding amount of liquid materials.
The invention provides a using method of an energy-saving evaporator, which comprises the following steps:
introducing a liquid material into the feed inlet, and heating the liquid material by using a heater;
introducing the heated liquid material into an evaporation chamber for gas-liquid separation, and discharging the separated liquid from a discharge hole;
and introducing the separated gas into a condenser for condensation, discharging the gas after condensation, absorbing heat in the condenser by using a compressor in the condensation process, heating and pressurizing the gas, and conveying the gas to a heater to heat liquid materials in the heater.
The use method of the energy-saving evaporator of the component is further improved in that a separator is arranged between the evaporation chamber and the condenser;
and introducing the steam separated in the evaporation chamber into the separator for gas-liquid separation again, wherein the separated liquid flows back to the evaporation chamber and is discharged from the discharge hole, and the separated gas is introduced into the condenser for condensation.
The use method of the component energy-saving evaporator is further improved in that the component energy-saving evaporator also comprises a control system for controlling the feeding amount of the heater;
the liquid level of the evaporation chamber is monitored to change through the control system, and then the control system correspondingly increases or decreases the feeding amount of the liquid material, so that the liquid level in the evaporation chamber is kept stable.
Drawings
Fig. 1 is a schematic structural diagram of an energy-saving evaporator of the invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides an energy-saving evaporator and a use method thereof, the heat of separated secondary steam is obtained by using a compressor, and the heat is heated and pressurized and then is conveyed to a heater to heat liquid material in the heater, so that the energy consumption of the evaporator is greatly reduced, high-temperature steam is not required to be introduced from the outside, the loss of heat energy is reduced, the evaporation effect of the liquid material is ensured, in addition, components in the original liquid material cannot enter the compressor, the potential safety hazard is eliminated, the problem of large energy consumption of the traditional evaporator is solved, the loss of heat energy is reduced, the evaporation efficiency of the liquid material is improved, the cost is reduced, and the energy-saving evaporator is simple in structure and easy to implement. The energy-saving evaporator of the invention is explained below with reference to the attached drawings.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an energy-saving evaporator according to the present invention. The energy-saving evaporator of the present invention will be described with reference to fig. 1.
As shown in fig. 1, the energy-saving evaporator of the present invention comprises:
a heater 11, wherein the heater 11 is provided with a feed inlet 111 for feeding liquid material;
an evaporation chamber 12 connected with the heater 11 and used for gas-liquid separation of liquid materials, wherein the bottom of the evaporation chamber 12 is provided with a discharge hole 121;
a condenser 13 connected to the evaporation chamber 12 for condensing the vapor formed by gas-liquid separation in the evaporation chamber 12, the condenser 13 having a discharge port; and
and a compressor 14 connected to the condenser 13 and the heater 11 to absorb heat in the condenser 13 and to supply the heat to the heater 11.
As a preferred embodiment of the present invention, the present invention further comprises a separator disposed between the evaporation chamber 12 and the condenser 13, so as to perform gas-liquid separation again on the vapor formed by gas-liquid separation in the evaporation chamber 12, and the separated vapor flows into the condenser 13, and the separated liquid flows back to the evaporation chamber 12 and flows out from the discharge port 121.
Specifically, the separator is disposed at the top of the evaporation chamber 12 and is communicated with the evaporation chamber 12 for introducing the steam in the evaporation chamber 12.
Further, the evaporator further comprises a control system for controlling the feeding amount of the heater 11, the liquid level of the evaporation chamber 12 is monitored to be changed through the control system, and then the control system correspondingly increases or decreases the feeding amount of the liquid, so that the liquid level in the evaporation chamber 12 is kept stable.
Specifically, the control system comprises a liquid level sensor arranged in the evaporation chamber 12, and the liquid level sensor senses that the liquid in the evaporation chamber 12 exceeds a set height, so that the control system is triggered to control the feeding amount of the liquid material.
Preferably, a valve is installed at the feeding port 111, and the valve is electrically connected to the control system, and the valve is controlled by the control system to adjust the feeding amount of the liquid material.
Preferably, a feeding pump is disposed at the feeding port 111, and the feeding pump is electrically connected to the control system, and the feeding pump is controlled by the control system to adjust the feeding amount of the liquid material.
The specific implementation mode of the energy-saving evaporator is as follows:
introducing the liquid material into a heater 11 from a feed inlet 111 for heating, then flowing into an evaporation chamber 12 for evaporation, and realizing gas-liquid separation, wherein the separated liquid flows out from a discharge outlet 121 at the bottom of the evaporation chamber 12, and the separated gas rises and is introduced into a separator from the top of the evaporation chamber 12;
the separator further performs gas-liquid separation, the separated liquid flows back to the evaporation chamber 12 and flows out from the discharge port 121, and the separated gas flows into the condenser 13 through a pipeline to be condensed into condensed water and is discharged outside;
the gas emits a large amount of heat in the condensation process, the compressor 14 absorbs the heat, heats and pressurizes the heat and then conveys the heat to the heater 11 to heat the liquid material in the heater 11, so that the components in the original liquid material cannot enter the compressor, and the potential safety hazard is eliminated;
in the process, the compressor 14 utilizes the heat generated by the condenser 13 during condensation, so that the energy consumption of the whole evaporator is reduced, high-temperature steam does not need to be introduced from the outside, the evaporation effect of liquid materials can be ensured, and the solute components in the secondary steam are further reduced through secondary separation of the separator, so that the waste is reduced, and the environment pollution is avoided.
The invention also provides a use method of the component center line scribing tool, which comprises the following steps:
introducing a liquid material into the feed port 111, and heating the liquid material by using the heater 11;
introducing the heated liquid material into the evaporation chamber 12 for gas-liquid separation, and discharging the separated liquid from a discharge port 121;
the separated gas is introduced into a condenser 13 for condensation, and is discharged after condensation, and the compressor 14 is utilized to absorb the heat in the condenser 13 in the condensation process, heat and pressurize the gas and then convey the gas to a heater 11 so as to heat the liquid material in the heater 11.
Further, a separator is arranged between the evaporation chamber 12 and the condenser 13;
the vapor separated in the evaporation chamber 12 is introduced into the separator to be separated again into gas and liquid, the separated liquid flows back to the evaporation chamber 12 and is discharged from the discharge port 121, and the separated gas is introduced into the condenser 13 to be condensed.
Further, a control system for controlling the feeding amount of the heater 11 is also included;
the liquid level of the evaporation chamber 12 is monitored to change by the control system, and then the control system correspondingly increases or decreases the feeding amount of the liquid material, so that the liquid level in the evaporation chamber 12 is kept stable.
The specific operation mode of the practical implementation of the using method provided by the invention is as follows:
introducing the liquid material into a heater 11 from a feed inlet 111 for heating, then flowing into an evaporation chamber 12 for evaporation, and realizing gas-liquid separation, wherein the separated liquid flows out from a discharge outlet 121 at the bottom of the evaporation chamber 12, and the separated gas rises and is introduced into a separator from the top of the evaporation chamber 12;
the separator further performs gas-liquid separation, the separated liquid flows back to the evaporation chamber 12 and flows out from the discharge port 121, and the separated gas flows into the condenser 13 through a pipeline to be condensed into condensed water and is discharged outside;
the gas emits a large amount of heat during the condensation process, and the compressor 14 absorbs the heat, heats and pressurizes the heat, and then delivers the heat to the heater 11 to heat the liquid material in the heater 11.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. An energy efficient evaporator, comprising:
the heater is provided with a feed inlet for liquid material to flow into;
the evaporation chamber is connected with the heater and used for carrying out gas-liquid separation on the liquid material, and a discharge hole is formed in the bottom of the evaporation chamber;
the condenser is connected with the evaporation chamber and is used for condensing steam formed by gas-liquid separation in the evaporation chamber, and the condenser is provided with a discharge port; and
a compressor connected to the condenser and the heater to absorb heat in the condenser and deliver the heat to the heater.
2. The energy-saving evaporator as claimed in claim 1, further comprising a separator disposed between the evaporation chamber and the condenser, so as to perform gas-liquid separation again on the vapor formed by gas-liquid separation in the evaporation chamber and the separated vapor flows into the condenser, and the separated liquid flows back to the evaporation chamber and flows out from the discharge port.
3. The energy saving evaporator as set forth in claim 2, wherein said separator is disposed at the top of said evaporation chamber and is in communication with said evaporation chamber for the passage of steam from said evaporation chamber.
4. The energy efficient evaporator of claim 1, further comprising a control system for controlling the amount of feed to said heater, wherein said control system monitors a change in the liquid level in said evaporator chamber, and wherein said control system increases or decreases the amount of feed to said evaporator chamber to maintain the liquid level in said evaporator chamber constant.
5. The energy saving evaporator as set forth in claim 4, wherein said control system comprises a liquid level sensor disposed in said evaporation chamber, and said liquid level sensor senses that the liquid in said evaporation chamber exceeds a set height, thereby triggering said control system to control the feeding amount of said liquid material.
6. The energy-saving evaporator of claim 5, wherein a valve is installed at the feeding port, the valve is electrically connected with the control system, and the valve is controlled by the control system to adjust the feeding amount of the liquid material.
7. The energy-saving evaporator of claim 5, wherein a feeding pump is arranged at the feeding port, the feeding pump is electrically connected with the control system, and the feeding pump is controlled by the control system to adjust the feeding amount of the liquid material.
8. A method for using the energy-saving evaporator as claimed in claim 1, which comprises the following steps:
introducing a liquid material into the feed inlet, and heating the liquid material by using the heater;
introducing the heated liquid material into the evaporation chamber for gas-liquid separation, and discharging the separated liquid from the discharge hole;
and introducing the separated gas into the condenser for condensation, discharging the gas after condensation, absorbing heat in the condenser by using the compressor in the condensation process, heating and pressurizing the gas, and conveying the gas to the heater so as to heat the liquid material in the heater.
9. The method for using the energy-saving evaporator as claimed in claim 8, wherein a separator is further arranged between the evaporation chamber and the condenser;
and introducing the steam separated by the evaporation chamber into the separator for gas-liquid separation again, wherein the separated liquid flows back to the evaporation chamber and is discharged from the discharge hole, and the separated gas is introduced into the condenser for condensation.
10. The method of using an economizer evaporator of claim 8 further comprising a control system for controlling the feed rate to the heater;
the liquid level of the evaporation chamber is monitored to be changed through the control system, and then the control system correspondingly increases or decreases the feeding amount of the liquid material, so that the liquid level in the evaporation chamber is kept stable.
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CN202010162674.7A CN111228835A (en) | 2020-03-10 | 2020-03-10 | Energy-saving evaporator and using method thereof |
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CN202010162674.7A CN111228835A (en) | 2020-03-10 | 2020-03-10 | Energy-saving evaporator and using method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112316451A (en) * | 2020-09-22 | 2021-02-05 | 蓝旺节能科技(浙江)有限公司 | Pure electric evaporation module assembly of alcohol group |
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2020
- 2020-03-10 CN CN202010162674.7A patent/CN111228835A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112316451A (en) * | 2020-09-22 | 2021-02-05 | 蓝旺节能科技(浙江)有限公司 | Pure electric evaporation module assembly of alcohol group |
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